Molecular modeling of UOSO13 compared to fluconazole within the binding active site of mutated C. albicans (PDB: 5FSA).

Compound	Moiety	Interaction	Amino acid residue
UOSO13	Phenyl ring	Pi–pi stacking bond	His-377
	Oxadiazole	Pi–pi stacking bond	Tyr-118
	Phenyl ring	Pi–pi stacking bond	Phe-233
	tert-Butyl group	Hydrophobic interaction	Tyr-122, Tyr-118, Tyr-132 and Leu-121
	Phenyl ring	Hydrophobic interaction	Leu-88, Tyr-118, Pro-230, Phe-228, Phe-380, Met-508 and Tyr-132
	Cl	Hydrophobic interaction	Leu-88 and Tyr-118
Fluconazole	OH	H-bond	Tyr-132
	Triazole	Coordinate interaction	Heme-580
	Phenyl ring	Hydrophobic interaction	Tyr-132
Native ligand	Phenyl ring	Pi–pi stacking bond	Heme-580
	Triazole ring	Pi–pi stacking bond	Heme-580
	Phenyl ring	Hydrophobic bond	Phe-58, Tyr-64, Phe-126, Leu-376, Phe-233, Pro-230 and Heme-580